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Aerodynamics

EPA Adds SmartWay Day Cab Program, Revises Retread Tire Specs

The Environmental Protection Agency is making some changes to its SmartWay program that offers information on verified fuel-efficient technologies. Day cabs are now eligible for the SmartWay designation, and research into fuel-efficient retreads will result in changes to how those products are classified.

Do Grille Guards Catch Wind?

One might wonder what impact all that heavy metal stuck out in front of the highly aerodynamic profiles honed by truck makers can have on cheating the wind.

Thoughts on Achieving 11 MPG

It's easy to get excited and stay excited about fuel economy when you can see positive change coming from your efforts. When I saw the numbers creeping up into the 10s on a recent test drive in a Peterbilt 579 EPIQ, I started pushing for 11. And it worked.